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经营范围
发明名称
Pencil sharpener
摘要
申请公布号
US2408767(A)
申请公布日期
1946.10.08
申请号
US19440539615
申请日期
1944.06.10
申请人
BERT M. MORRIS CO.
发明人
FLEMING ROBERT B.
分类号
B43L23/02
主分类号
B43L23/02
代理机构
代理人
主权项
地址
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